[Pillow Block Bearing]Made of high quality zinc alloy with rhombic flanged base. Rust-proof, durable and longer life [8mm Bore]The bearing has a wide inner ring with two set screws for attaching to the shaft [Easy to use]This bearing is a self-aligning pillow block bearing, you can adjust or replace the bearing easily [Widely Applications]Pillow block bearing flange block bearing is widely used in various of machinery, converting systems, film processing machinery, spin machine, printing machine size:55x13x29mm Material:Zinc alloy colour:Silver Package Contents: 4 * KP08 Pillow Block Bearing (8mm Bore) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.